Riccardo Muti, music director of the Chicago Symphony Orchestra, has canceled his scheduled appearances at the helm of the Vienna Philharmonic Orchestra this weekend because of illness, according to a statement issued by the Musikverein concert hall in Vienna.

Muti was supposed to have conducted concerts in the Austrian capital this Saturday afternoon, Sunday morning and Monday evening. He will be replaced by Colombian conductor and violinist Andres Orozco-Estrada and Austrian conductor-violinist Rainer Honeck. The programs will be altered accordingly.

NEW YORK – It wasn't the tumultuous ovation that went on into the night following the Chicago Symphony Orchestra's first Carnegie Hall concert under then-music director Georg Solti back in 1970, but it was loud and it was instantaneous.

As fall arrives, music fans can look forward to enjoying the last of the big outdoor festivals (including Riot Fest and the Hideout Block Party and A.V. Fest), a handful of major arena events (from D'Angelo to Madonna) and a bunch of theater and club concerts. Here are some of the most anticipated...

Lollapalooza 2015 is underway in Chicago's Grant Park. Join our coverage of the three-day music festival, as Paul McCartney, Sam Smith, Metallica and Florence and the Machine headline. On the Tribune app? Click here to see the live blog.